/*
 *  Copyright (C) 2010-2013 JPEXS
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.jpexs.decompiler.flash.tags;

import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.SWFInputStream;
import com.jpexs.decompiler.flash.SWFOutputStream;
import com.jpexs.decompiler.flash.tags.base.CharacterTag;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class DefineBitsTag extends CharacterTag {

   public int characterID;
   public byte jpegData[];

   public DefineBitsTag(byte[] data, int version, long pos) throws IOException {
      super(6, "DefineBits", data, pos);
      SWFInputStream sis = new SWFInputStream(new ByteArrayInputStream(data), version);
      characterID = sis.readUI16();
      jpegData = sis.readBytes(sis.available());
   }

   public byte[] getFullImageData(JPEGTablesTag jtt) {
      if ((jtt != null)) {
         ByteArrayOutputStream baos = null;

         try {
            baos = new ByteArrayOutputStream();
            byte jttdata[] = jtt.getData(10);
            if (jttdata.length != 0) {
               baos.write(jttdata, SWF.hasErrorHeader(jttdata) ? 4 : 0, jttdata.length - (SWF.hasErrorHeader(jttdata) ? 6 : 2));
               baos.write(jpegData, SWF.hasErrorHeader(jpegData) ? 6 : 2, jpegData.length - (SWF.hasErrorHeader(jttdata) ? 6 : 2));
            } else {
               baos.write(jpegData, 0, jpegData.length);
            }

         } finally {
            if (baos != null) {
               try {
                  baos.close();
               } catch (Exception ex) {
                  //ignore
               }
            }
         }
         return baos.toByteArray();
      }
      return null;
   }

   /**
    * Gets data bytes
    *
    * @param version SWF version
    * @return Bytes of data
    */
   @Override
   public byte[] getData(int version) {
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      OutputStream os = baos;
      SWFOutputStream sos = new SWFOutputStream(os, version);
      try {
         sos.writeUI16(characterID);
         sos.write(jpegData);
      } catch (IOException e) {
      }
      return baos.toByteArray();
   }

   @Override
   public int getCharacterID() {
      return characterID;
   }
}
